Question

I'm thinking of a number when i double it and take the result away from 25 the answer is less than 11

What number could it be
Write your answer as x<
Or x>

Answer 1

x > 7

Explanation:

let x be the number we are looking for.

Double it ⇒ 2x

take the result away from 25 ⇒ 25 - 2x

the answer is less than 11 ⇒ 25 - 2x < 11

……………………………………

25 - 2x < 11

Then

-2x < 11 - 25

Then

-2x < -14

Then

x > 14/2

Then

x > 7